skia2/tests/StringTest.cpp
Hal Canary ab17347df3 Revert "Remove SK_MaxSizeT, SK_M{in|ax}U{16|32}, #defines."
This reverts commit e1bc7de7c0.

Reason for revert: chrome used it

Original change's description:
> Remove SK_MaxSizeT, SK_M{in|ax}U{16|32}, #defines.
> 
> sed 's/SK_MaxSizeT/SIZE_MAX/g'
> sed 's/SK_MaxU32/UINT32_MAX/g'
> sed 's/SK_MaxU16/UINT16_MAX/g'
> 
> SK_MinU32 and SK_MinU16 were unused
> 
> Change-Id: I6b6c824df47b05bde7e73b13a58e851a5f63fe0e
> Reviewed-on: https://skia-review.googlesource.com/134607
> Commit-Queue: Hal Canary <halcanary@google.com>
> Reviewed-by: Ben Wagner <bungeman@google.com>

TBR=halcanary@google.com,bungeman@google.com,reed@google.com

Change-Id: I1e2c440dcf9f59bf87c1fea113248cd5136f7519
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/134921
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2018-06-14 16:17:38 +00:00

338 lines
11 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include <stdarg.h>
#include <stdio.h>
#include <thread>
#include "SkString.h"
#include "SkStringUtils.h"
static const char* gThirtyWideDecimal = "%30d";
DEF_TEST(String, reporter) {
SkString a;
SkString b((size_t)0);
SkString c("");
SkString d(nullptr, 0);
REPORTER_ASSERT(reporter, a.isEmpty());
REPORTER_ASSERT(reporter, a == b && a == c && a == d);
a.set("hello");
b.set("hellox", 5);
c.set(a);
d.resize(5);
memcpy(d.writable_str(), "helloz", 5);
REPORTER_ASSERT(reporter, !a.isEmpty());
REPORTER_ASSERT(reporter, a.size() == 5);
REPORTER_ASSERT(reporter, a == b && a == c && a == d);
REPORTER_ASSERT(reporter, a.equals("hello", 5));
REPORTER_ASSERT(reporter, a.equals("hello"));
REPORTER_ASSERT(reporter, !a.equals("help"));
REPORTER_ASSERT(reporter, a.startsWith("hell"));
REPORTER_ASSERT(reporter, a.startsWith('h'));
REPORTER_ASSERT(reporter, !a.startsWith( "ell"));
REPORTER_ASSERT(reporter, !a.startsWith( 'e'));
REPORTER_ASSERT(reporter, a.startsWith(""));
REPORTER_ASSERT(reporter, a.endsWith("llo"));
REPORTER_ASSERT(reporter, a.endsWith('o'));
REPORTER_ASSERT(reporter, !a.endsWith("ll" ));
REPORTER_ASSERT(reporter, !a.endsWith('l'));
REPORTER_ASSERT(reporter, a.endsWith(""));
REPORTER_ASSERT(reporter, a.contains("he"));
REPORTER_ASSERT(reporter, a.contains("ll"));
REPORTER_ASSERT(reporter, a.contains("lo"));
REPORTER_ASSERT(reporter, a.contains("hello"));
REPORTER_ASSERT(reporter, !a.contains("hellohello"));
REPORTER_ASSERT(reporter, a.contains(""));
REPORTER_ASSERT(reporter, a.contains('e'));
REPORTER_ASSERT(reporter, !a.contains('z'));
SkString e(a);
SkString f("hello");
SkString g("helloz", 5);
REPORTER_ASSERT(reporter, a == e && a == f && a == g);
b.set("world");
c = b;
REPORTER_ASSERT(reporter, a != b && a != c && b == c);
a.append(" world");
e.append("worldz", 5);
e.insert(5, " ");
f.set("world");
f.prepend("hello ");
REPORTER_ASSERT(reporter, a.equals("hello world") && a == e && a == f);
a.reset();
b.resize(0);
REPORTER_ASSERT(reporter, a.isEmpty() && b.isEmpty() && a == b);
a.set("a");
a.set("ab");
a.set("abc");
a.set("abcd");
a.set("");
a.appendS32(0x7FFFFFFFL);
REPORTER_ASSERT(reporter, a.equals("2147483647"));
a.set("");
a.appendS32(0x80000001L);
REPORTER_ASSERT(reporter, a.equals("-2147483647"));
a.set("");
a.appendS32(0x80000000L);
REPORTER_ASSERT(reporter, a.equals("-2147483648"));
a.set("");
a.appendU32(0x7FFFFFFFUL);
REPORTER_ASSERT(reporter, a.equals("2147483647"));
a.set("");
a.appendU32(0x80000001UL);
REPORTER_ASSERT(reporter, a.equals("2147483649"));
a.set("");
a.appendU32(0xFFFFFFFFUL);
REPORTER_ASSERT(reporter, a.equals("4294967295"));
a.set("");
a.appendS64(0x7FFFFFFFFFFFFFFFLL, 0);
REPORTER_ASSERT(reporter, a.equals("9223372036854775807"));
a.set("");
a.appendS64(0x8000000000000001LL, 0);
REPORTER_ASSERT(reporter, a.equals("-9223372036854775807"));
a.set("");
a.appendS64(0x8000000000000000LL, 0);
REPORTER_ASSERT(reporter, a.equals("-9223372036854775808"));
a.set("");
a.appendS64(0x0000000001000000LL, 15);
REPORTER_ASSERT(reporter, a.equals("000000016777216"));
a.set("");
a.appendS64(0xFFFFFFFFFF000000LL, 15);
REPORTER_ASSERT(reporter, a.equals("-000000016777216"));
a.set("");
a.appendU64(0x7FFFFFFFFFFFFFFFULL, 0);
REPORTER_ASSERT(reporter, a.equals("9223372036854775807"));
a.set("");
a.appendU64(0x8000000000000001ULL, 0);
REPORTER_ASSERT(reporter, a.equals("9223372036854775809"));
a.set("");
a.appendU64(0xFFFFFFFFFFFFFFFFULL, 0);
REPORTER_ASSERT(reporter, a.equals("18446744073709551615"));
a.set("");
a.appendU64(0x0000000001000000ULL, 15);
REPORTER_ASSERT(reporter, a.equals("000000016777216"));
a.printf("%i", 0);
REPORTER_ASSERT(reporter, a.equals("0"));
a.printf("%g", 3.14);
REPORTER_ASSERT(reporter, a.equals("3.14"));
a.printf("hello %s", "skia");
REPORTER_ASSERT(reporter, a.equals("hello skia"));
static const struct {
SkScalar fValue;
const char* fString;
} gRec[] = {
{ 0, "0" },
{ SK_Scalar1, "1" },
{ -SK_Scalar1, "-1" },
{ SK_Scalar1/2, "0.5" },
#if defined(SK_BUILD_FOR_WIN) && (_MSC_VER < 1900)
{ 3.4028234e38f, "3.4028235e+038" },
{ -3.4028234e38f, "-3.4028235e+038" },
#else
{ 3.4028234e38f, "3.4028235e+38" },
{ -3.4028234e38f, "-3.4028235e+38" },
#endif
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
a.reset();
a.appendScalar(gRec[i].fValue);
REPORTER_ASSERT(reporter, a.size() <= SkStrAppendScalar_MaxSize);
if (!a.equals(gRec[i].fString)) {
ERRORF(reporter, "received <%s> expected <%s>\n", a.c_str(), gRec[i].fString);
}
}
REPORTER_ASSERT(reporter, SkStringPrintf("%i", 0).equals("0"));
char buffer [40];
memset(buffer, 'a', 40);
REPORTER_ASSERT(reporter, buffer[18] == 'a');
REPORTER_ASSERT(reporter, buffer[19] == 'a');
REPORTER_ASSERT(reporter, buffer[20] == 'a');
snprintf(buffer, 20, gThirtyWideDecimal, 0);
REPORTER_ASSERT(reporter, buffer[18] == ' ');
REPORTER_ASSERT(reporter, buffer[19] == 0);
REPORTER_ASSERT(reporter, buffer[20] == 'a');
REPORTER_ASSERT(reporter, SkStringPrintf("%i", 0).equals("0"));
// 2000 is larger than the static buffer size inside SkString.cpp
a = SkStringPrintf("%2000s", " ");
REPORTER_ASSERT(reporter, a.size() == 2000);
for (size_t i = 0; i < a.size(); ++i) {
if (a[i] != ' ') {
ERRORF(reporter, "SkStringPrintf fail: a[%d] = '%c'", i, a[i]);
break;
}
}
a.reset();
a.printf("%2000s", " ");
REPORTER_ASSERT(reporter, a.size() == 2000);
for (size_t i = 0; i < a.size(); ++i) {
if (a[i] != ' ') {
ERRORF(reporter, "SkString::printf fail: a[%d] = '%c'", i, a[i]);
break;
}
}
a.appendf("%2000s", " ");
REPORTER_ASSERT(reporter, a.size() == 4000);
for (size_t i = 0; i < a.size(); ++i) {
if (a[i] != ' ') {
ERRORF(reporter, "SkString::appendf fail: a[%d] = '%c'", i, a[i]);
break;
}
}
}
DEF_TEST(String_SkStrSplit, r) {
SkTArray<SkString> results;
SkStrSplit("a-_b_c-dee--f-_-_-g-", "-_", &results);
REPORTER_ASSERT(r, results.count() == 6);
REPORTER_ASSERT(r, results[0].equals("a"));
REPORTER_ASSERT(r, results[1].equals("b"));
REPORTER_ASSERT(r, results[2].equals("c"));
REPORTER_ASSERT(r, results[3].equals("dee"));
REPORTER_ASSERT(r, results[4].equals("f"));
REPORTER_ASSERT(r, results[5].equals("g"));
results.reset();
SkStrSplit("\n", "\n", &results);
REPORTER_ASSERT(r, results.count() == 0);
results.reset();
SkStrSplit("", "\n", &results);
REPORTER_ASSERT(r, results.count() == 0);
results.reset();
SkStrSplit("a", "\n", &results);
REPORTER_ASSERT(r, results.count() == 1);
REPORTER_ASSERT(r, results[0].equals("a"));
}
DEF_TEST(String_SkStrSplit_All, r) {
SkTArray<SkString> results;
SkStrSplit("a-_b_c-dee--f-_-_-g-", "-_", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 13);
REPORTER_ASSERT(r, results[0].equals("a"));
REPORTER_ASSERT(r, results[1].equals(""));
REPORTER_ASSERT(r, results[2].equals("b"));
REPORTER_ASSERT(r, results[3].equals("c"));
REPORTER_ASSERT(r, results[4].equals("dee"));
REPORTER_ASSERT(r, results[5].equals(""));
REPORTER_ASSERT(r, results[6].equals("f"));
REPORTER_ASSERT(r, results[7].equals(""));
REPORTER_ASSERT(r, results[8].equals(""));
REPORTER_ASSERT(r, results[9].equals(""));
REPORTER_ASSERT(r, results[10].equals(""));
REPORTER_ASSERT(r, results[11].equals("g"));
REPORTER_ASSERT(r, results[12].equals(""));
results.reset();
SkStrSplit("\n", "\n", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 2);
REPORTER_ASSERT(r, results[0].equals(""));
REPORTER_ASSERT(r, results[1].equals(""));
results.reset();
SkStrSplit("", "\n", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 0);
results.reset();
SkStrSplit("a", "\n", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 1);
REPORTER_ASSERT(r, results[0].equals("a"));
results.reset();
SkStrSplit(",,", ",", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 3);
REPORTER_ASSERT(r, results[0].equals(""));
REPORTER_ASSERT(r, results[1].equals(""));
REPORTER_ASSERT(r, results[2].equals(""));
results.reset();
SkStrSplit(",a,b,", ",", kStrict_SkStrSplitMode, &results);
REPORTER_ASSERT(r, results.count() == 4);
REPORTER_ASSERT(r, results[0].equals(""));
REPORTER_ASSERT(r, results[1].equals("a"));
REPORTER_ASSERT(r, results[2].equals("b"));
REPORTER_ASSERT(r, results[3].equals(""));
}
// https://bugs.chromium.org/p/skia/issues/detail?id=7107
DEF_TEST(String_Threaded, r) {
SkString str("foo");
std::thread threads[5];
for (auto& thread : threads) {
thread = std::thread([&] {
SkString copy = str;
(void)copy.equals("test");
});
}
for (auto& thread : threads) {
thread.join();
}
}
// Ensure that the string allocate doesn't internally overflow any calculations, and accidentally
// let us create a string with a requested length longer than we can manage.
DEF_TEST(String_huge, r) {
// start testing slightly below max 32
size_t size = SK_MaxU32 - 16;
// See where we crash, and manually check that its at the right point.
//
// To test, change the false to true
while (false) {
// On a 64bit build, this should crash when size == 1 << 32, since we can't store
// that length in the string's header (which has a u32 slot for the length).
//
// On a 32bit build, this should crash the first time around, since we can't allocate
// anywhere near this amount.
//
SkString str(size);
size += 1;
}
}
DEF_TEST(String_fromUTF16, r) {
// test data produced with `iconv`.
const uint16_t test1[] = {
0xD835, 0xDCD0, 0xD835, 0xDCD1, 0xD835, 0xDCD2, 0xD835, 0xDCD3, 0xD835, 0xDCD4, 0x0020,
0xD835, 0xDCD5, 0xD835, 0xDCD6, 0xD835, 0xDCD7, 0xD835, 0xDCD8, 0xD835, 0xDCD9
};
REPORTER_ASSERT(r, SkStringFromUTF16(test1, SK_ARRAY_COUNT(test1)).equals("𝓐𝓑𝓒𝓓𝓔 𝓕𝓖𝓗𝓘𝓙"));
const uint16_t test2[] = {
0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0020, 0x0046, 0x0047, 0x0048, 0x0049, 0x004A,
};
REPORTER_ASSERT(r, SkStringFromUTF16(test2, SK_ARRAY_COUNT(test2)).equals("ABCDE FGHIJ"));
const uint16_t test3[] = {
0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x0020, 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA,
};
REPORTER_ASSERT(r, SkStringFromUTF16(test3, SK_ARRAY_COUNT(test3)).equals("αβγδε ζηθικ"));
}